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E. Matthew Ritter's profile was updated 2 years ago
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E. Matthew Ritter's profile was updated 2 years, 4 months ago
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E. Matthew Ritter changed their profile picture 2 years, 4 months ago
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E. Matthew Ritter's profile was updated 3 years, 5 months ago
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E. Ritter earned the badge: FES Exam 7 years ago
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E. Ritter earned the badge: FUSE exam 7 years ago
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E. Ritter earned the badge: FLS exam 7 years, 2 months ago
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E. Matthew Ritter's profile was updated 7 years, 5 months ago
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E. Ritter earned a badge: SAGES 2013 Recognition of Excellence 9 years, 4 months ago